/*******************************************************************************
 * Copyright(c) 2014 DongkeSoft All rights reserved. / Confidential
 * 类的信息：
 *      1.程序名称：ServicesBase.cs
 *      2.功能描述：服务基类，取得服务访问验证信息。
 * 编辑履历：
 *      作者            日期                版本            修改内容
 *      陈晓野          2014/09/16          1.00            新建
 *******************************************************************************/

using System;
using System.ServiceModel;
using Curtain.Log;
using Dongke.IBOSS.PRD.Basics.BaseResources;
using Dongke.IBOSS.PRD.Basics.Library;
using Dongke.IBOSS.PRD.Service.DataModels;
using Dongke.IBOSS.PRD.Service.DKIBOSSPRDLogic;
using Dongke.IBOSS.PRD.WCF.DataModels;

namespace Dongke.IBOSS.PRD.WCF.Services
{
    /// <summary>
    /// 服务基类
    /// </summary>
    public class ServicesBase
    {
        #region 属性
        /// <summary>
        /// 服务访问用户信息
        /// </summary>
        public SUserInfo SUserInfo
        {
            get;
            private set;
        }
        #endregion

        #region 构造函数
        /// <summary>
        /// 构造函数
        /// </summary>
        public ServicesBase()
        {
            OperationContext opc = OperationContext.Current;
            if (opc == null)
            {
                return;
            }
            string action = opc.IncomingMessageHeaders.Action;
            if (action == null)
            {
                throw new Exception("Action is null");
            }

            action = action.Substring(action.LastIndexOf("/") + 1);
            if ("DoLogin".Equals(action)
                || "IsNeedUpgrade".Equals(action)
                || "GetUpgradeInfo".Equals(action)
                || "DownloadUpgradeFile".Equals(action)
                || "LoadUpgradeInfo".Equals(action)
                || "DownloadSetUpFile".Equals(action)
                || "GetServiceState".Equals(action))
            {
                // 无需验证的方法
                return;
            }

            try
            {
                LoginRequestEntity requestEntity = this.GetHeaderValue<LoginRequestEntity>(Constant.S_WCF_MESSAGE_HEADER_NAME);

                SUserInfo sUserInfo = null;

                string loginStatus = DKIBOSSPRDLogic.AuthenticateRepeatLogin(requestEntity, out sUserInfo);
                if ("1".Equals(loginStatus))
                {
                    // 用户登录信息错误
                    throw new Exception("LoginInfoError");
                }
                else if ("2".Equals(loginStatus))
                {
                    // 用户登录凭证错误
                    throw new Exception("RepeatLogin");
                }
                else if ("3".Equals(loginStatus))
                {
                    // Lic错误
                    throw new Exception("LicInfoError");
                }

                SUserInfo = sUserInfo;
            }
            catch (Exception ex)
            {
                //OutputLog.TraceLog(LogPriority.Error,
                //                           this.ToString(),
                //                           System.Reflection.MethodBase.GetCurrentMethod().Name,
                //                           ex.ToString(),
                //                           LocalPath.LogExePath);
                //throw new Exception("LoginInfoError", ex);
                throw ex;
            }
        }
        #endregion

        #region 私有方法
        /// <summary>
        /// 获取验证头信息的值
        /// </summary>
        /// <param name="pName"></param>
        /// <returns></returns>
        private T GetHeaderValue<T>(string name)
        {
            int index = OperationContext.Current.IncomingMessageHeaders.FindHeader(name, Constant.S_WCF_MESSAGE_HEADER_NAMESPACE);
            if (index > -1)
            {
                return OperationContext.Current.IncomingMessageHeaders.GetHeader<T>(index);
            }
            return default(T);
        }
        #endregion
    }
}